CN212818823U

CN212818823U - Formation gas filtering device for logging

Info

Publication number: CN212818823U
Application number: CN202021301022.9U
Authority: CN
Inventors: 陈俊男; 李开荣; 宋金鑫; 陈冲; 李满仓; 魏剑波; 郭亮
Original assignee: China National Petroleum Corp; CNPC Xibu Drilling Engineering Co Ltd
Current assignee: China National Petroleum Corp; CNPC Xibu Drilling Engineering Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-30
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to an oil gas exploration and development technical field is a logging stratum gas filter equipment, and it includes cartridge filter, top cap, intake pipe, outlet duct and the baffle that splashes, cartridge filter upper end fixed mounting have rather than assorted top cap, the interval is equipped with air inlet and the gas outlet that link up from top to bottom about on the top cap, and air inlet lower extreme fixed mounting has the intake pipe that the lower extreme is located the cartridge filter lower part, and gas outlet lower extreme fixed mounting has the outlet duct that the lower extreme is located intake pipe lower extreme top. The utility model has the advantages of reasonable and compact structure, convenient to use, it makes in the intraductal stratum gas of gas collection get into the scavenging solution through the intake pipe through adding the scavenging solution in the filter vat, gets the internal dust of gas with the help of the scavenging solution, and the gas after the purification flows from the outlet duct, and the internal dust of gas that goes, avoids the damage of the follow-up gaseous check out test set that leads to because of the dust, has safety, laborsaving, simple and convenient, efficient characteristics.

Description

Formation gas filtering device for logging

Technical Field

The utility model relates to an oil gas exploration and development technical field is a logging is with stratum gas filter equipment.

Background

At present, when gas is collected in a well logging in a production site of gas drilling, plastic bottles of mineral water, beverage and the like are used as simple filtering devices, and special devices for purifying and filtering stratum gas are not used. Because of simple structure, cause in the gas that dust filtration is not clean easily, the liquid after the pollution is inhaled the gas circuit pipeline, can not totally seal and lead to the formation gas to leak, cause data to leak and the damage of supporting equipment facility, not only increased manufacturing cost, still cause hydrogen sulfide in the formation gas easily, oil gas display leakage to influence the risk of logging quality and well drilling.

Disclosure of Invention

The utility model provides a logging is with stratum gas filter equipment has overcome above-mentioned prior art not enough, and it can effectively solve the gaseous collection of current logging and does not have the gaseous check out test set that dust pollution that special filtration equipment exists leads to and damage the risk increase and detect unsafe problem.

The technical scheme of the utility model is realized through following measure: the utility model provides a logging is with ground layer gas filter equipment, including the cartridge filter, the top cap, the intake pipe, the outlet duct with splash the baffle, cartridge filter upper end fixed mounting have rather than assorted top cap, air inlet and gas outlet that the interval link up about being equipped with on the top cap, air inlet lower extreme fixed mounting has the intake pipe that the lower extreme is located the cartridge filter lower part, gas outlet lower extreme fixed mounting has the outlet duct that the lower extreme is located intake pipe lower extreme top, the inside baffle that splashes that is equipped with of cartridge filter of position between intake pipe lower extreme and the outlet duct lower extreme, the mouth of wearing through that link up about being equipped with on the baffle that splashes that corresponds intake pipe upper portion outside position.

The following are further optimization or/and improvement of the technical scheme of the utility model:

the top cover and the filter cartridge can be fixedly installed together through threaded connection.

The filter cartridge further comprises a drain pipe and a sealing cover, wherein the drain port which is communicated with the filter cartridge is arranged on the lower side of the filter cartridge, the drain pipe is fixedly arranged on the lower side of the drain port, and the sealing cover is fixedly arranged at the lower end of the drain pipe through threaded connection.

The device also comprises a sealing ring, and the sealing ring is arranged between the outer side of the lower part of the sewage discharge pipe and the inner side of the lower part of the sealing cover.

The device also comprises fixing rods, wherein at least two fixing rods are arranged on the lower side of the top cover, mounting holes are formed in the splash baffle corresponding to the lower end of each fixing rod, and the lower ends of the fixing rods are located in the mounting holes.

The air inlet and the air outlet are fixedly provided with quick connectors.

The utility model has the advantages of reasonable and compact structure, convenient to use, it is through adding the scavenging solution in the filter vat, make in the intraductal stratum gas of gas collection gets into the scavenging solution through the intake pipe, get the internal dust of gas with the help of the scavenging solution, the gas after the purification flows from the outlet duct, the rethread baffle that splashes blocks the scavenging solution and the blister that splash to get rid of the dust in the gas, avoid the damage of the follow-up gaseous check out test set that leads to because of the dust, have safety, laborsaving, simple and convenient, efficient characteristics.

Drawings

Fig. 1 is a schematic partial sectional structure view of the preferred embodiment of the present invention.

Fig. 2 is a schematic top view of the splash guard of fig. 1.

The codes in the figures are respectively: 1 is the cartridge filter, 2 is the top cap, and 3 is the intake pipe, and 4 are the outlet duct, and 5 are the blow off pipe, and 6 are sealed lid, and 7 is the dead lever, and 8 are the baffle that splashes, and 9 are the through-hole, and 10 are quick-operation joint, and 11 are the sealing washer, and 12 are the drain, and 13 are the mounting hole, and 14 are for wearing the export.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention will be further described with reference to the following examples and drawings:

as shown in the attached drawing 1, 2, this logging is with ground layer gas filter equipment includes cartridge filter 1, top cap 2, intake pipe 3, outlet duct 4 and splash baffle 8, cartridge filter 1 upper end fixed mounting have rather than assorted top cap 2, the interval is equipped with air inlet and the gas outlet that link up from top to bottom about on the top cap 2, air inlet lower extreme fixed mounting has the intake pipe 3 that the lower extreme is located cartridge filter 1 lower part, gas outlet lower extreme fixed mounting has outlet duct 4 that the lower extreme is located 3 lower extremes of intake pipe top, the inside baffle 8 that splashes that is equipped with of cartridge filter 1 of position between 3 lower extremes of intake pipe and outlet duct 4, the through-out mouth 14 that link up from top to bottom is equipped with on the baffle 8 that splashes that corresponds 3 upper portion outside positions of intake pipe, 3 upper portion. The splash guard 8 may be fixed by a conventional method, such as a clip, a support plate, etc., as required. In the use process, firstly, about half of a cylinder of purification liquid is added into the filter cylinder 1, the purification liquid can be distilled water, the lower end of the air inlet pipe 3 is positioned in the purification liquid, then a gas collecting pipe for logging of gas drilling is connected into the air inlet, the air outlet is connected with the drying pipe, the drying pipe is connected with subsequent detection equipment, then gas enters the purification liquid along the air inlet pipe 3, so that dust in the gas is filtered, the purification liquid splashes due to higher air pressure in the gas collecting pipe, the purification liquid with the dust is easily adhered to the air outlet pipe 4, the dust is not completely filtered, the dust is brought into the subsequent detection equipment, the damage risk of the detection equipment is increased, the data detection is inaccurate, the splash purification liquid can be blocked by arranging the baffle 8 at the lower end of the air outlet pipe 4, the filtered gas flows out of the through hole 9 and then enters the air outlet pipe 4 and flows to the drying pipe and the detection equipment, dust and liquid carried by the bubbles are prevented from entering the air outlet pipe 4. The utility model has the advantages of reasonable and compact structure, convenient to use, it is through adding the scavenging solution in the filter vat, in making the intraductal stratum gas of gas collection get into the scavenging solution through intake pipe 3, with the help of the internal dust of scavenging solution access gas, the gas after the purification flows from outlet duct 4 to remove the internal dust of gas, avoids the damage of the follow-up gaseous check out test set that leads to because of the dust, has safety, laborsaving, simple and convenient, efficient characteristics.

The logging formation gas filtering device can be further optimized or/and improved according to actual needs:

as shown in fig. 1 and 2, the top cap 2 and the filter cartridge 1 are fixedly mounted together by a threaded connection. When in use, the top cover 2 and the filter cartridge 1 can be simply and conveniently detached through the arrangement, and the cleaning work in the filter cartridge 1 is carried out.

As shown in attached figures 1 and 2, the filter cartridge further comprises a sewage draining pipe 5 and a sealing cover 6, wherein a sewage draining port 12 which is communicated up and down is arranged on the lower side of the filter cartridge 1, the sewage draining pipe 5 is fixedly arranged on the lower side of the sewage draining port 12, and the sealing cover 6 is fixedly arranged at the lower end of the sewage draining pipe 5 through threaded connection. In the use, through set up drain 12, blow off pipe 5 and sealed lid 6 at cartridge filter 1 lower extreme, can open sealed lid 6 when wasing cartridge filter 1, make the dust flow from drain 12, make and wash cartridge filter 1 more simple and convenient and laborsaving.

As shown in attached figures 1 and 2, the device also comprises a sealing ring 11, and the sealing ring 11 is arranged between the outer side of the lower part of the sewage draining pipe 13 and the inner side of the lower part of the sealing cover 6. When the filter cartridge is used, the gas and the purifying liquid in the filter cartridge 1 are prevented from flowing out by arranging the sealing ring 11.

As shown in the attached drawings 1 and 2, the splash guard device further comprises fixing rods 7, at least two fixing rods 7 are arranged on the lower side of the top cover 2, mounting holes 13 are formed in the splash guard 8 corresponding to the lower end of each fixing rod 7, and the lower ends of the fixing rods 7 are located in the mounting holes 13. When in use, the splash baffle 8 is fixed by arranging the fixing rod 7.

As shown in fig. 1 and 2, the air conditioner further comprises a quick coupling 10, and the quick coupling 10 is fixedly mounted at the upper end of the air inlet and the upper end of the air outlet. In the use process, the quick connector 10 can be used for enabling the logging gas collecting pipeline and the drying pipe to be communicated with the filter cartridge 1 more conveniently and quickly.

Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.

Claims

1. The utility model provides a logging is with ground layer gas filter equipment, a serial communication port includes the cartridge filter, the top cap, the intake pipe, the outlet duct with splash the baffle, cartridge filter upper end fixed mounting have rather than assorted top cap, the interval is equipped with air inlet and the gas outlet that link up from top to bottom about on the top cap, air inlet lower extreme fixed mounting has the intake pipe that the lower extreme is located the cartridge filter lower part, gas outlet lower extreme fixed mounting has the outlet duct that the lower extreme is located intake pipe lower extreme top, the inside baffle that splashes that is equipped with of cartridge filter of position between intake pipe lower extreme and the outlet duct lower extreme, the mouth of wearing that link up from top to bottom is equipped with on the baffle that splashes.

2. The apparatus as claimed in claim 1, wherein the top cap is fixedly mounted to the filter cartridge by a screw connection.

3. The logging land-used formation gas filtering device according to claim 1 or 2, further comprising a sewage discharge pipe and a sealing cover, wherein the lower side of the filter cartridge is provided with a sewage discharge port which is communicated up and down, the lower side of the sewage discharge port is fixedly provided with the sewage discharge pipe, and the lower end of the sewage discharge pipe is fixedly provided with the sealing cover through threaded connection.

4. The device as claimed in claim 3, further comprising a sealing ring, wherein the sealing ring is disposed between the outer side of the lower portion of the drainage pipe and the inner side of the lower portion of the sealing cover.

5. The logging formation gas filtering device as claimed in claim 1, 2 or 4, further comprising fixing rods, wherein at least two fixing rods are disposed on the lower side of the top cover, a mounting hole is disposed on the splash baffle corresponding to the lower end of each fixing rod, and the lower ends of the fixing rods are disposed in the mounting holes.

6. The apparatus of claim 3, further comprising fixing rods, wherein at least two fixing rods are disposed on the bottom of the top cover, a mounting hole is disposed on the splash guard corresponding to the lower end of each fixing rod, and the lower ends of the fixing rods are disposed in the mounting holes.

7. The device as claimed in claim 1, 2, 4 or 6, further comprising a quick coupling, wherein the quick coupling is fixedly mounted at the upper end of the air inlet and the upper end of the air outlet.

8. The apparatus as claimed in claim 3, further comprising a quick coupling, wherein the quick coupling is fixedly mounted at both the upper end of the gas inlet and the upper end of the gas outlet.

9. The apparatus as claimed in claim 5, further comprising a quick coupling, wherein the quick coupling is fixedly mounted at both the upper end of the gas inlet and the upper end of the gas outlet.